ULTRA light Aluminum construction for 43% weight savings ULTRA stealthy Hard Core Gray(TM); anodized finish ULTRA strong Billet metering blocks & base plates ULTRA cool Black anodized billet aluminum metering blocks and base plate ULTRA easy Built in sight window for simple float adjustments ULTRA fast High-performance fuel curves The Ultra Double Pumper(TM); Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061-T6 billet aluminum. They weigh in at approximately 5 lbs. less than a comparable zinc carburetor. The new Ultra Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction; anodized billet aluminum metering blocks and base plate; 4 corner idle for precise idle control; mechanical secondaries for great performance; clear fuel level sight plugs for easy, no mess fuel level adjustments; Ford automatic transmission kickdown for use on popular Ford transmissions; four vacuum ports for all necessary vacuum accessories; and for the first time on a Double Pumper, factory pre-set electric choke for easy, fast cold start-ups. The clean, stealthy look coupled with Black metering blocks and throttle body will certainly set your ride apart whether you are at the show or track.
Specifications:
| Description_ASC |
This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932. |
| Description_DEF |
Carburetor |
| Description_DES |
650 CFM Ultra Double Pumper Carburetor |
| Description_INV |
650 ULTRA DOUBLE PUMPER - HC GRAY |
| Description_EXT |
Ultra Double Pumper (R) Carburetor; 4 bbl; 650 cfm; Model 4150; Mech. Secondary; Electric Choke; Dual Fuel Inlet; Gas; Hard Gray Metering Block/Base Plate w/Gold Hardware; |
| Description_FAB |
Hard Core Gray (TM) w/ black anodized billet aluminum metering blocks/base plate. Casting is hard coat anodized for ultimate corrosion resistance |
| Description_FAB |
Ultra Double Pumpers feature an Optimized street/strip calibration that works out-of-the-box |
| Description_FAB |
Factory preset electric choke for easy startups |
| Description_FAB |
Mechanical secondaries for awesome tire turning performance |
| Description_FAB |
4 corner idle allows you to precisely control your idle system |
| Description_FAB |
Built in, clear fuel level sight glass for easy, no mess fuel level adjustments |
| Description_FAB |
Aluminum construction for a 43% weight savings |
| Description_FAB |
Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required. |
| Description_FAB |
Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing |
| Description_FAB |
100% wet-flow tested by Holley technicians to assure it arrives ready to run! |
| Description_SHO |
Carburetor |
| Description_MKT |
ULTRA light Aluminum construction for 43% weight savings ULTRA stealthy Hard Core Gray(TM); anodized finish ULTRA strong Billet metering blocks & base plates ULTRA cool Black anodized billet aluminum metering blocks and base plate ULTRA easy Built in sight window for simple float adjustments ULTRA fast High-performance fuel curves The Ultra Double Pumper(TM); Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061-T6 billet aluminum. They weigh in at approximately 5 lbs. less than a comparable zinc carburetor. The new Ultra Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction; anodized billet aluminum metering blocks and base plate; 4 corner idle for precise idle control; mechanical secondaries for great performance; clear fuel level sight plugs for easy, no mess fuel level adjustments; Ford automatic transmission kickdown for use on popular Ford transmissions; four vacuum ports for all necessary vacuum accessories; and for the first time on a Double Pumper, factory pre-set electric choke for easy, fast cold start-ups. The clean, stealthy look coupled with Black metering blocks and throttle body will certainly set your ride apart whether you are at the show or track. |
| Secondary Pump Nozzle Size |
31 |
| Primary Main Jet |
63 |
| Condition |
New |
| Warning |
California Proposition 65 |
| Type |
Automotive |
| Fuel Inlet |
Dual |
| WARNING CA Proposition 65 Message |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Carburetor Type |
4150 |
| Supercharged Application |
No |
| Brand |
Holley |
| WARNING CA Proposition 65 |
Yes |
| CFM |
650 |
| Secondary Main Jet |
73 |
| Carburetor Use |
Performance and Race |
| Model |
4150 |
| Product Type |
Carburetor |
| Secondaries |
Mechanical |
| Vacuum Ports |
1 timed (spark) port, 2 full, and 1 PCV port |
| Warranty |
Limited 90 Day |
| Flange |
Square Bore |
| Billet Color |
Black |
| Barrel |
Four |
| Material |
Aluminum |
| Choke |
Electric |
| Booster Type |
Straight |
| Fuel Type |
Gasoline |
| Usage |
Street/Strip |
| Primary Power Valve |
6.5 |
| Vacuum Port Quantity |
1 timed (spark); 2 full; 1 PCV |
| Emission |
Without EGR |
| Secondary Type |
Mechanical |
| Finish |
Hard Core Gray |
| Barrels |
4 |
| Booster |
Straight |
| Emission Code |
3 |
| Fuel |
Gasoline |
| Marine Use |
No |
| Primary Pump Nozzle Size |
28 |
| Throttle Bore |
1.688 inch |
| Length |
8.0000 |
| Width |
11.0000 |
| Height |
13.0000 |
| Weight |
8.0000 |
